package com.sqxgg.drugstore.threadPool.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.task.TaskExecutor;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.ThreadPoolExecutor;

@Configuration
@EnableAsync
public class BeanConfig {
    @Autowired
    PoolConfig poolConfig;
    @Bean("TaskExecutor")
    public TaskExecutor taskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        // 设置核心线程数
        executor.setCorePoolSize(poolConfig.getCorePoolSiz());
        // 设置最大线程数
        executor.setMaxPoolSize(poolConfig.getMaxPoolSize());
        // 设置队列容量
        executor.setQueueCapacity(poolConfig.getQueueCapacity());
        // 设置线程活跃时间（秒）
        executor.setKeepAliveSeconds(poolConfig.getKeepAliveSeconds());
        // 设置默认线程名称
        executor.setThreadNamePrefix(poolConfig.getThreadNamePrefix());
        // 设置拒绝策略
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        // 等待所有任务结束后再关闭线程池
        executor.setWaitForTasksToCompleteOnShutdown(true);

        ThreadPoolInfoUtil.threadPoolMap.put("TaskExecutor", executor);

        return executor;
    }


}
